CN221086153U - Heat conduction paste coating device - Google Patents
Heat conduction paste coating device Download PDFInfo
- Publication number
- CN221086153U CN221086153U CN202322325453.9U CN202322325453U CN221086153U CN 221086153 U CN221086153 U CN 221086153U CN 202322325453 U CN202322325453 U CN 202322325453U CN 221086153 U CN221086153 U CN 221086153U
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- China
- Prior art keywords
- pressing plate
- screw rod
- coating device
- coating
- screw
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000011248 coating agent Substances 0.000 title claims abstract description 50
- 238000000576 coating method Methods 0.000 title claims abstract description 50
- 239000007921 spray Substances 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 238000005507 spraying Methods 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- 238000007790 scraping Methods 0.000 abstract description 11
- 238000001816 cooling Methods 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000000758 substrate Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000011345 viscous material Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Landscapes
- Coating Apparatus (AREA)
Abstract
The utility model discloses a heat-conducting paste coating device, which comprises a base, wherein a positioning column is arranged on the base, a through hole for accommodating a first screw rod to pass through is formed in the positioning column, the first screw rod is rotationally connected with the positioning column, and a limiting plate is fixedly arranged at the end part of the first screw rod; the base is detachably provided with a pressing plate, the pressing plate is provided with a steel mesh, and the pressing plate is connected with the spraying mechanism through a sliding rail. The cooling fins with different sizes can be fixed and limited by matching the screw rod with the limiting plate, so that the application range of the coating device is wider; meanwhile, the trapezoid structure of the coating spray head is matched with the scraping plate, so that the coating device can uniformly coat the radiating fins.
Description
Technical Field
The utility model relates to the technical field of coating, in particular to a heat conduction paste coating device.
Background
A heat conductive paste is applied between the heat sink and the substrate or electronic part and the heat sink as a material filling the void, which is also called a thermal interface material. The heat radiator is used for conducting heat radiated by the electronic component or the substrate to the radiator, so that the electronic component or the substrate can be kept at a level capable of stably working, the electronic component or the substrate is prevented from being damaged due to poor heat radiation, and the service life is prolonged. The most widely used heat conducting paste is silica gel at present, and the heat conducting paste is a viscous material, so that the application is very troublesome. The existing coating device directly smears the heat conduction paste on the radiating fins through the scraper, the smears in the mode, the smears are uneven in thickness, in addition, the existing coating device can only coat the substrate with one size, the substrates with other sizes can not be used, and the application range is too small.
Disclosure of utility model
Aiming at the technical defects, the utility model aims to provide the heat conduction paste coating device which can adapt to substrates with different sizes through the cooperation of the screw rod and the limiting plate.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The utility model provides a heat-conducting paste coating device, which comprises a base, wherein a plurality of positioning columns are arranged on the base, threaded holes matched with first screw rods are formed in the positioning columns, the first screw rods are penetrated in the threaded holes of the positioning columns through threaded connection, and limiting plates are fixedly arranged at the end parts of the first screw rods; the product is limited between the limiting plates; the base is detachably provided with a pressing plate, the pressing plate is provided with a steel mesh for covering the product, and the spraying mechanism is connected with the pressing plate through a sliding rail.
Preferably, the limiting plate is located below the steel mesh, and the limiting plate is of an L-shaped structure.
Preferably, the spraying mechanism comprises a supporting rod, a storage cavity is connected to the supporting rod, a coating spray head is fixedly arranged at the bottom of the storage cavity, and the supporting rod is connected with the pressing plate through the sliding rail.
Preferably, the coating spray head is provided with a scraping plate, the thickness of the scraping plate gradually decreases towards the direction away from the coating spray head, and an acute included angle is formed between the scraping plate and the coating spray head.
Preferably, the nozzle of the coating nozzle is of a rectangular structure, the cross section of the coating nozzle is of a trapezoid structure, and the length of one side of the coating nozzle away from the storage cavity is longer than the diameter of the storage cavity.
Preferably, a second screw rod is rotatably arranged at the bottom of the supporting rod, the second screw rod is rotatably arranged on the pressing plate, and one end of the second screw rod is connected with a motor; the support rod is provided with a threaded hole, and the second screw rod is arranged in the threaded hole of the support rod in a penetrating way through threaded connection.
The utility model has the beneficial effects that: the cooling fins with different sizes can be fixed and limited by matching the screw rod with the limiting plate, so that the application range of the coating device is wider;
meanwhile, the trapezoid structure of the coating spray head is matched with the scraping plate, so that the coating device can uniformly coat the radiating fins.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a thermal paste coating device according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a thermal paste coating apparatus;
FIG. 3 is a schematic diagram of a thermal paste coating apparatus;
FIG. 4 is a schematic view of the structure of the storage chamber and the coating head;
fig. 5 is a schematic structural view of the storage chamber and the coating nozzle.
Reference numerals illustrate:
The device comprises a base, a 2-positioning column, a 3-pressing plate, a 32-steel mesh, a 4-first screw rod, a 5-limiting plate, a 6-coating spray nozzle, a 61-scraping plate, a 7-storage cavity, an 8-supporting rod, a 9-sliding rail, a 10-second screw rod and an 11-motor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples:
As shown in fig. 1, fig. 2 and fig. 3, the utility model provides a heat conduction paste coating device, which comprises a base 1, four positioning columns 2 are arranged on the base 1 along the circumferential direction, threaded holes matched with a first screw rod 4 are formed in the four positioning columns 2, the first screw rod 4 is arranged in the threaded holes of the positioning columns 2 in a penetrating way through threaded connection, a limiting plate 5 is fixedly arranged at the end part of the first screw rod 4 (in the embodiment, four positioning columns 2, the first screw rod 4 and the limiting plate 5 are all arranged), the limiting plate 5 is of an L-shaped structure, the limiting plate 5 can better lift and fix a heat dissipation plate, the first screw rod 4 is matched with the limiting plate 5, the distance between the limiting plates 5 is adjusted according to the size of the heat dissipation plate, the heat dissipation plate can be clamped, the heat dissipation plate is conveniently smeared with heat dissipation paste, the heat dissipation plate is more firmly fixed on the limiting plate 5, a pressing plate 3 is detachably arranged on the base 1, a steel mesh 32 is arranged on the pressing plate 3, and a spraying mechanism is connected with the pressing plate 3 through a sliding rail 9 and the pressing plate 2, the heat dissipation plate 3 can be flexibly detached from the heat dissipation plate 5 through the positioning columns and the positioning columns 2.
As shown in fig. 4, the spraying mechanism comprises a supporting rod 8, a material storage cavity 7 is connected to the supporting rod 8, a coating spray head 6 is fixedly arranged at the bottom of the material storage cavity 7, the nozzle of the coating spray head 6 is of a rectangular structure, the heat conduction paste can be uniformly sprayed on the radiating fin, the cross section of the coating spray head 6 is of a trapezoid structure, the side length of the coating spray head 6 away from the material storage cavity 7 is longer than the diameter of the material storage cavity 7, and the thickness of the heat conduction paste sprayed by the coating spray head 6 can be more uniform.
Further, as shown in fig. 5, the coating nozzle 6 is provided with the scraping plate 61, the thickness of the scraping plate 61 gradually decreases towards the direction away from the coating nozzle 6, and an acute angle is formed between the scraping plate 61 and the coating nozzle 6, so that the coating nozzle 6 can be scraped while spraying, the working efficiency of the coating nozzle 6 is improved, the thickness of one end, close to the radiating fin, of the scraping plate 61 is minimum, the thermal grease can be scraped, the thermal grease sprayed on the radiating fin is more uniform, and the effect of the thermal grease can be fully exerted.
The bottom of the supporting rod 8 is rotatably provided with a second screw rod 10, the pressing plate 3 is rotatably provided with the second screw rod 10, and one end of the second screw rod 10 is connected with a motor 11; the support rod 8 is provided with a threaded hole, the second screw rod 10 is arranged in the threaded hole of the support rod 8 in a penetrating mode through threaded connection, and the second screw rod 10 drives the material storage cavity 7 and the coating spray nozzle to slide on the pressing plate 3 to spray the radiating fin.
When the heat-conducting plate is used, the pressing plate 3 is firstly taken down from the base 1 through the positioning column 2 and the positioning groove, the first screw rod 4 is rotated according to the size of the radiating fin, the position of the limiting plate 5 is adjusted, then the radiating plate is placed in the middle of the limiting plate 5, the pressing plate 3 is replaced on the base 1, the motor 11 is turned on, the supporting rod 8 is driven to slide on the sliding rail 9, the coating spray head 6 sprays the heat-conducting paste on the steel mesh 32, and the heat-conducting paste is scraped uniformly on the radiating fin through the scraping plate 61.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (6)
1. The utility model provides a heat conduction paste coating device, includes base (1), its characterized in that, be provided with a plurality of reference columns (2) on base (1), set up on reference column (2) with first lead screw (4) complex screw hole, first lead screw (4) are worn to establish in the screw hole of reference column (2) through threaded connection, the tip fixed mounting of first lead screw (4) has limiting plate (5); the product is limited between the limiting plates (5);
The base (1) is detachably provided with a pressing plate (3), the pressing plate (3) is provided with a steel mesh (32) used for covering a product, and the spraying mechanism is connected with the pressing plate (3) through a sliding rail (9).
2. A thermal paste coating device according to claim 1, wherein the limiting plate (5) is located below the steel mesh (32), and the limiting plate (5) has an L-shaped structure.
3. The heat conducting paste coating device according to claim 1, wherein the spraying mechanism comprises a supporting rod (8), a storage cavity (7) is connected to the supporting rod (8), a coating spray head (6) is fixedly arranged at the bottom of the storage cavity (7), and the supporting rod (8) is connected with the pressing plate (3) through the sliding rail (9).
4. A paste coating apparatus according to claim 3, wherein the coating head (6) is provided with a scraper (61), the thickness of the scraper (61) gradually decreases in a direction away from the coating head (6), and an acute angle is formed between the scraper (61) and the coating head (6).
5. The device for applying heat-conducting paste according to claim 4, wherein the nozzle of the applicator nozzle (6) has a rectangular structure, the cross section of the applicator nozzle (6) has a trapezoid structure, and the length of one side of the applicator nozzle (6) away from the storage cavity (7) is longer than the diameter of the storage cavity (7).
6. A thermal paste coating apparatus according to claim 3, wherein the support rod (8) is rotatably provided with a second screw (10) at the bottom thereof,
A second screw rod (10) is rotatably arranged on the pressing plate (3), and one end of the second screw rod (10) is connected with a motor (11);
threaded holes are formed in the support rods (8), and the second screw rods (10) are connected with the threaded holes of the support rods (8) in a penetrating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322325453.9U CN221086153U (en) | 2023-08-28 | 2023-08-28 | Heat conduction paste coating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322325453.9U CN221086153U (en) | 2023-08-28 | 2023-08-28 | Heat conduction paste coating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221086153U true CN221086153U (en) | 2024-06-07 |
Family
ID=91315612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322325453.9U Active CN221086153U (en) | 2023-08-28 | 2023-08-28 | Heat conduction paste coating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221086153U (en) |
-
2023
- 2023-08-28 CN CN202322325453.9U patent/CN221086153U/en active Active
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